I - Mission Critical Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000420-GPOS-00186
<GroupDescription></GroupDescription>Group -
A firewall must be able to protect against or limit the effects of Denial of Service (DoS) attacks by ensuring TOSS can implement rate-limiting measures on impacted network interfaces.
<VulnDiscussion>DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...Rule Medium Severity -
SRG-OS-000433-GPOS-00192
<GroupDescription></GroupDescription>Group -
TOSS must implement non-executable data to protect its memory from unauthorized code execution.
<VulnDiscussion>Some adversaries launch attacks with the intent of executing code in non-executable regions of memory or in memory locations ...Rule Medium Severity -
SRG-OS-000437-GPOS-00194
<GroupDescription></GroupDescription>Group -
YUM must remove all software components after updated versions have been installed on TOSS.
<VulnDiscussion>Previous versions of software components that are not removed from the information system after updates have been installed m...Rule Low Severity -
SRG-OS-000445-GPOS-00199
<GroupDescription></GroupDescription>Group -
TOSS must enable the "SELinux" targeted policy.
<VulnDiscussion>Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed...Rule Medium Severity -
SRG-OS-000480-GPOS-00225
<GroupDescription></GroupDescription>Group -
TOSS must prevent the use of dictionary words for passwords.
<VulnDiscussion>If TOSS allows the user to select passwords based on dictionary words, then this increases the chances of password compromise...Rule Medium Severity -
SRG-OS-000480-GPOS-00226
<GroupDescription></GroupDescription>Group -
TOSS must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.
<VulnDiscussion>Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain acc...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
A File Transfer Protocol (FTP) server package must not be installed unless mission essential on TOSS.
<VulnDiscussion>The FTP service provides an unencrypted remote access that does not provide for the confidentiality and integrity of user pas...Rule High Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All TOSS local files and directories must have a valid group owner.
<VulnDiscussion>Files without a valid group owner may be unintentionally inherited if a group is assigned the same Group Identifier (GID) as ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All TOSS local files and directories must have a valid owner.
<VulnDiscussion>Unowned files and directories may be unintentionally inherited if a user is assigned the same User Identifier "UID" as the UI...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Cron logging must be implemented in TOSS.
<VulnDiscussion>Cron logging can be used to trace the successful or unsuccessful execution of cron jobs. It can also be used to spot intrusio...Rule Medium Severity
Node 2
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